. >>> police in boulder city, nevada say a police officer shot and killed his wife and young son before taking his own wife. he set his house on fire shortly before the gunfire yesterday morning. the man's wife was a former police officer. so far no word on what led up to that violence. >>> 49ers fans are counting down the 12 days until super bowl sunday. the san francisco police are also doing the same thing getting ready for the big game. they arrested a dozen rowdy fans in the mission district after the 9ers victory on sunday. and there could be a lot more trouble and an even bigger game that will end after dark. >> when it is at nighttime, people tend to drink a little bit more. >> it's in the worth at this time to ensure that we cover all of the base sees. >> police are studying tapes of the riots after the world series when the giants won. >>> sheriff deputies are checking surveillance video in alameda county in a car lot in which a dozen cars were stolen. here's the video. investigators say three burglars kicked in the door of auto world on mission boulevard early monday morning.